Duct section



FIG. 1 is a top perspective view of the male end of the duct section according to an embodiment of the present invention;

FIG. 2 is a bottom perspective view of the male end of the duct section of FIG. 1;

FIG. 3 is a top perspective view of the female end of the duct section of FIG. 1; and,

FIG. 4 is a bottom perspective view of the female end of the duct section of FIG. 1. 

CLAIM I claim the ornamental design of a duct section, as shown and described. 